{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["GENE"], "input": "Furthermore , deletion and mutation analyses of the VCAM - 1 promoter performed with chloramphenicol acetyltransferase constructs revealed that Tax was trans activating the VCAM - 1 promoter via two NF - kappaB sites present at bp - 72 and - 57 in the VCAM - 1 gene promoter , with both of them being required for the Tax - induced expression of this adhesion molecule ."}
{"GENE": ["VCAM - 1 promoter", "chloramphenicol acetyltransferase constructs", "Tax", "NF - kappaB sites", "VCAM - 1 gene promoter"]}